bubble-jet printer vs bubblejet

bubble-jet printer and bubblejet both are nouns.

Word	Noun	Adjective	Verb	Adverb
bubble-jet printer	Yes	No	No	No
bubblejet	Yes	No	No	No

As nouns, bubble-jet printer and bubblejet are synonyms defined as:

Other synonyms of bubble-jet printer include bubble jet printer.

bubble-jet printer (noun)	bubblejet (noun)
a kind of ink-jet printer	a kind of ink-jet printer